1) what is oxygen a) a deadly substance b) used for breathing c) squid game amogus sussy 2) what is co2 a) tasty b) a deadly gas c) better oxygen 3) what is nitrogen a) cold b) a substance in air c) used as car coolant d) a bioweapon 4) what is lactic acid a) something good for you b) made by anaerobic respiration c) a drink 5) what makes more energy a) aerobic respiration b) anaerobic respiration

Leaderboard

Visual style

Options

Switch template

Continue editing: ?